package jdbc;

import com.alibaba.druid.pool.DruidDataSource;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DBUtil {

  private static DruidDataSource druidDataSource;


  static {

    druidDataSource = new DruidDataSource();

    //设置用于与数据库建立链接时的基本信息
    druidDataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
    druidDataSource.setUsername("root");
    druidDataSource.setPassword("root");

    druidDataSource.setInitialSize(5); //初始链接数量
    druidDataSource.setMaxActive(20);  //最大链接数

  }

  public static Connection getConnection() throws SQLException {
    return druidDataSource.getConnection();
  }
}

